CN218523050U - Low-torque bidirectional sealing butterfly valve - Google Patents
Low-torque bidirectional sealing butterfly valve Download PDFInfo
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- CN218523050U CN218523050U CN202222200930.4U CN202222200930U CN218523050U CN 218523050 U CN218523050 U CN 218523050U CN 202222200930 U CN202222200930 U CN 202222200930U CN 218523050 U CN218523050 U CN 218523050U
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- 238000007789 sealing Methods 0.000 title claims abstract description 41
- 230000002457 bidirectional effect Effects 0.000 title claims description 5
- 239000003566 sealing material Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 12
- 241000283216 Phocidae Species 0.000 description 10
- 239000000463 material Substances 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a low moment of torsion two-way seal butterfly valve, including the valve body, seted up the circulation groove on the valve body, the medial surface symmetry and the fixedly connected with disk seat of circulation groove, the cross section of disk seat is the curved surface, the inside valve rod that is equipped with of valve body, and valve rod and circulation groove are arranged perpendicularly, and the circulation inslot is about valve rod symmetry and fixedly connected with valve plate, and the valve plate is close to one side of disk seat and sets up flutedly, and the inside joint of recess is provided with the bearing ring, the outside fixedly connected with sealing strip of bearing ring, and the cross section of sealing strip is semi-circular, the utility model discloses rational in infrastructure, solve the poor and great problem of turning moment of butterfly valve leakproofness.
Description
Technical Field
The utility model relates to a butterfly valve technical field, in particular to low moment of torsion two way seal butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.
Most of butterfly valves commonly used in China adopt eccentric inclined plane sealing, the sealing performance is poor, large operation torque is required, and a solution is provided aiming at the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low moment of torsion two way seal butterfly valve solves the poor and great problem of turning moment of butterfly valve leakproofness.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a low moment of torsion two way seal butterfly valve, includes the valve body, the circulation groove has been seted up on the valve body, the medial surface symmetry and the fixedly connected with disk seat of circulation groove, the cross section of disk seat is the curved surface, the inside valve rod that is equipped with of valve body, valve rod and circulation groove are the perpendicular arrangement, circulation inslot portion is about valve rod symmetry and fixedly connected with valve plate, the valve plate is close to one side of disk seat and has seted up flutedly, the inside joint of recess is provided with the socket ring, the outside fixedly connected with sealing strip of socket ring, the cross section of sealing strip is semi-circular.
Adopt above-mentioned technical scheme, be used for the circulation medium through the circulation groove during the use, be connected with external equipment through the valve rod, the rotation of valve rod drives the valve plate and rotates, the valve plate through circulation inslot portion plays opening and sealing of control circulation groove, cooperation convection current logical groove between the sealing strip on the valve plate and the disk seat plays sealed effect, the valve plate adopts two eccentric structures, the sealing strip is eccentric part sphere, the disk seat adopts PTFE self sealss structure, the sealing face design of sealing strip is little circular arc convex surface structure, the contact surface is little when closing sealed, the leakproofness is good, not only two-way seal zero leakage, and it is little to open the moment of torsion, adopt the recess and accept the joint between the ring between sealing strip and the valve plate can conveniently change the sealing strip of wearing and tearing, and convenient use.
Preferably, the clamping grooves are formed in the two sides of the valve body, the connecting plate is arranged inside the clamping grooves, one end of the connecting plate penetrates through the side face of the clamping groove and is fixedly connected with one end of the valve seat, the valve seat pressing plate used for fixing the connecting plate is arranged on one side of the connecting plate, and the valve seat pressing plate is fixedly connected with the clamping grooves.
By adopting the technical scheme, the connecting plate is fixed through the valve seat pressing plate and the clamping groove, so that the valve seat is fixed, and meanwhile, the valve seat is convenient to replace through the connecting plate and the clamping groove, and the service life is prolonged.
Preferably, a placing groove is formed in one end of the valve body, the placing groove and the valve rod are concentric, a sealing material is filled in the placing groove, a sealing cover is arranged at one end of the placing groove, and the sealing cover is fixedly connected with the valve body.
Adopt above-mentioned technical scheme, the standing groove is used for placing sealed material, and sealed material plays sealed effect to between valve body and the valve rod, and sealed lid plays sealed effect to sealed material, avoids sealed material to spill.
Preferably, the valve seat is internally and symmetrically provided with valve sleeves, two ends of the valve rod penetrate through the two valve sleeves, and the valve rod is in running fit with the valve sleeves.
By adopting the technical scheme, the valve sleeve has the bearing effect on the rotation of the valve rod, so that the valve rod rotates more stably, and the abrasion of the valve rod on the valve body is reduced.
Preferably, the bottom of the valve body is in threaded connection with a bottom cover for sealing.
By adopting the technical scheme, the bottom cover has a sealing effect.
Preferably, the valve rod and the valve plate are connected through a pin key.
By adopting the technical scheme, the installation is convenient and stable.
Has the beneficial effects that: the valve plate adopts two eccentric structures, and the sealing strip is eccentric part sphere, and the disk seat adopts PTFE self sealss structure, and the sealed face design of sealing strip is little circular arc convex surface structure, and the contact surface is little when closing sealed, the leakproofness is good, and not only two-way seal is zero to leak, and it is little to open the moment of torsion moreover.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is an enlarged view of A;
fig. 3 is a schematic diagram of an embodiment for showing the groove and the receiving ring.
Reference numerals are as follows: 1. a valve body; 2. a circulation tank; 3. a valve seat; 4. a valve stem; 5. a valve plate; 6. a groove; 7. a bearing ring; 8. a seal strip; 9. a card slot; 10. a connecting plate; 11. a valve seat pressing plate; 12. a placement groove; 13. sealing materials; 14. a sealing cover; 15. a valve housing; 16. a bottom cover.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
See that fig. 1 to 3 are shown, a two-way sealed butterfly valve of low moment of torsion, including valve body 1, runner groove 2 has been seted up on valve body 1, runner groove 2's medial surface symmetry and fixedly connected with disk seat 3, draw-in groove 9 has all been seted up to 1 both sides of valve body, the inside connecting plate 10 that is provided with of draw-in groove 9, the one end fixed connection of draw-in groove 9 side and disk seat 3 is passed to the one end of connecting plate 10, one side of connecting plate 10 is provided with disk seat clamp plate 11 that is used for fixed connection board 10, disk seat clamp plate 11 and draw-in groove 9 fixed connection, play the fixed action to connecting plate 10 through disk seat clamp plate 11 and draw-in groove 9, thereby play fixed effect to disk seat 3, conveniently change disk seat 3 through connecting plate 10 and draw-in groove 9 simultaneously, increase of service life
Valve rod 4 is equipped with in 1 inside of valve body, 3 inside symmetries of disk seat are provided with valve barrel 15, two valve barrel 15 are passed at the both ends of valve rod 4, valve rod 4 and 15 normal running fit of valve barrel, valve barrel 15 plays the effect of accepting to the rotation of valve rod 4, make valve rod 4 rotate more stable, reduce the wearing and tearing of valve rod 4 to valve body 1, standing groove 12 has been seted up to 1 one end of valve body, standing groove 12 and valve rod 4 are concentric, and standing groove 12 inside packing has sealing material 13, the one end of standing groove 12 is provided with sealed lid 14, sealed lid 14 and 1 fixed connection of valve body, standing groove 12 is used for placing sealing material 13, sealing material 13 plays sealed effect to between valve body 1 and the valve rod 4, sealed lid 14 plays sealed effect to sealing material 13, avoid sealing material 13 to spill.
The inside 4 symmetries and fixedly connected with valve plate 5 about the valve rod of circulation groove 2, the cross section of disk seat 3 is the curved surface, adopts the pin key to connect between valve rod 4 and the valve plate 5, and simple to operate is firm. The bottom of the valve body 1 is in threaded connection with a bottom cover 16 which has a sealing effect, and the bottom cover 16 has a sealing effect.
The valve plate 5 is close to the one side of disk seat 3 and is seted up recess 6, and the inside joint of recess 6 is provided with accepts ring 7, accepts ring 7's outside fixedly connected with sealing strip 8, and the cross section of sealing strip 8 is semi-circular.
Be used for the circulation medium through circulation groove 2 during the use, be connected with external equipment through valve rod 4, the rotation of valve rod 4 drives valve plate 5 and rotates, play opening and sealing of control flow through groove 2 through the valve plate 5 of circulation groove 2 inside, cooperation between the sealing strip 8 on the valve plate 5 and the disk seat 3 plays sealed effect to circulation groove 2, valve plate 5 adopts two eccentric structures, sealing strip 8 is eccentric part sphere, disk seat 3 adopts PTFE self sealss structure, sealing strip 8's sealed face design is little circular arc convex surface structure, the contact surface is little when closing sealed, the leakproofness is good, not only two-way seal zero leakage, and it is little to open the moment of torsion, adopt the joint between recess 6 and the accept ring 7 can conveniently change wearing and tearing sealing strip 8 between sealing strip 8 and the valve plate 5, and convenient use.
Claims (6)
1. The utility model provides a low moment of torsion two way seal butterfly valve, includes valve body (1), its characterized in that, circulation groove (2) have been seted up on valve body (1), the medial surface symmetry and fixedly connected with disk seat (3) of circulation groove (2), the cross section of disk seat (3) is the curved surface, valve body (1) inside is equipped with valve rod (4), valve rod (4) and circulation groove (2) are arranged perpendicularly, circulation groove (2) inside is about valve rod (4) symmetry and fixedly connected with valve plate (5), recess (6) have been seted up to one side that valve plate (5) are close to disk seat (3), the inside joint of recess (6) is provided with socket ring (7), the outside fixedly connected with sealing strip (8) of socket ring (7), the cross section of sealing strip (8) is semi-circular.
2. The low-torque bidirectional sealing butterfly valve according to claim 1, wherein clamping grooves (9) are formed in both sides of the valve body (1), a connecting plate (10) is arranged inside each clamping groove (9), one end of the connecting plate (10) penetrates through the side surface of each clamping groove (9) and is fixedly connected with one end of the valve seat (3), a valve seat pressing plate (11) used for fixing the connecting plate (10) is arranged on one side of the connecting plate (10), and the valve seat pressing plate (11) is fixedly connected with the clamping grooves (9).
3. The low-torque bidirectional sealing butterfly valve according to claim 1, wherein a placing groove (12) is formed in one end of the valve body (1), the placing groove (12) and the valve rod (4) are concentric, a sealing material (13) is filled in the placing groove (12), a sealing cover (14) is arranged at one end of the placing groove (12), and the sealing cover (14) is fixedly connected with the valve body (1).
4. A low-torque two-way sealing butterfly valve according to claim 1, wherein the valve seat (3) is internally and symmetrically provided with valve sleeves (15), two ends of the valve rod (4) pass through the two valve sleeves (15), and the valve rod (4) and the valve sleeves (15) are rotatably matched.
5. A low-torque bidirectional sealing butterfly valve according to claim 1, characterized in that the bottom of the valve body (1) is screwed with a bottom cover (16) for sealing.
6. A low-torque, two-way sealed butterfly valve according to claim 1, characterised in that said valve stem (4) and valve plate (5) are connected by a pin-and-key connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222200930.4U CN218523050U (en) | 2022-08-19 | 2022-08-19 | Low-torque bidirectional sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222200930.4U CN218523050U (en) | 2022-08-19 | 2022-08-19 | Low-torque bidirectional sealing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218523050U true CN218523050U (en) | 2023-02-24 |
Family
ID=85245147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222200930.4U Active CN218523050U (en) | 2022-08-19 | 2022-08-19 | Low-torque bidirectional sealing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218523050U (en) |
-
2022
- 2022-08-19 CN CN202222200930.4U patent/CN218523050U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 11-12, Chuangye Road, Changkou Town, Fuyang District, Hangzhou, Zhejiang 310000 Patentee after: Zhejiang Baohe Industrial Technology Group Co.,Ltd. Country or region after: China Address before: 311400 No. 11-12 Chuangye Road, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang berghol Automation Engineering Co.,Ltd. Country or region before: China |